Geo 22 Links Page

Earth's internal heat and plate tectonics

  • Age Provinces of North America: This graphic shows the age distribution of rocks in North America illustrating growth by accretion. (Prof. Rick Cheel, Brock University)
  • Earth's Interior & Plate Tectonics: This site gives a good overview of the components and physical properties of the layers of the Earth.
  • Plate motions - USGS This Dynamic Earth: A site on plate motions from the USGS. May be a good supplement to the textbook.
  • Inside the Earth [This Dynamic Earth, USGS]: A schematic cross section of the Earth as well as a brief description of the layers of the Earth.
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    Earth Materials: minerals and rocks

  • Crystal Lattice Structures: This site allows you to look at the lattice structure of different crystals.
  • Mineralogy Database: This site gives information on specific minerals, mineral classification, and other topics associated with mineralogy.
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    Mass wasting, erosion, transport and deposition by running water

  • Mass-Wasting: Lecture notes on mass-wasting. (Prof. Stephen A. Nelson, Tulane University)
  • Streams and Drainage Systems: Lecture notes on streams and drainage systems. (Prof. Stephen A. Nelson, Tulane University)
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    Rivers: dams and floods

    Graphics showing river processes. (Prof. Rick Cheel, Brock University)

  • Classification of Rivers
  • Erosion and Deposition in meandering rivers
  • Formation of Levees
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  • Real-Time water data: This site has a US map which shows the current heights of rivers all over the country.
  • Recent data for the Blackstone River: At the above site, you can graph data from many rivers and streams. Here is a local example.
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    Sediments and Sedimentary rocks

  • Sedimentary Rocks Home Page: An informative site on sedimentary rocks. (James Madison University)
  • Sedimentary Rocks: Lecture notes on sedimentary rocks. (Prof. Stephen A. Nelson, Tulane University)
  • The Geology of the Grand Canyon: A site on the geology of the Grand Canyon that could be a good supplement to our classroom field trip.
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    Sed environments and relative time

  • Cross-cutting relationships: A graphic showing an example of a cross-cutting relationship. (Prof. Rick Cheel, Brock University)
  • Geo time calculator: This site makes it easy to calculate your own analogy for geologic time.
  • Relative Dating Exercise: This site gives a few geologic sections for you to interpret by placing the events that led to its formation in order.
  • UCMP Web Time Machine: Peruse through geologic time with the web time machine from UC Berkeley Museum of Paleontology.
  • Sedimentology Movies: Sedimentology movies from the USGS.
  • Deep Time/ History of Life: An interactive web activity which allows you to explore a timeline of the history of Earth.
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    Absolute Dating of geologic events

  • Radioactive Decay Java Applet: A Java applet which allows you to "observe series decay in action!" (Utah College of Mines and Earth Sciences)
  • Radiometric Dating: Lecture notes on radiometric dating. (Dr. Pamela J.W. Gore, Georgia Perimeter College)
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    Earth's internal heat

  • What drives the plates? This Dynamic Earth, USGS: A USGS site on mantle convection and plate motions.
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    Volcanism

  • How Volcanoes Work: A good resource on volcanoes. Sponsored by NASA.
  • Volcano World: Lots of good information about volcanoes with a strange little cartoon volcano as your host.
  • Weekly Volcanic Activity Report : A weekly volcanic activity report from the USGS and Global Volcanism Program. Find out about new and ongoing volcanic activity.
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    Melting relations of minerals and rocks

  • Igneous Phase Diagrams: This site covers solid solution and binary eutectic phase diagrams. (James Madison University)
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    Origin of 3 magma types

  • Igneous Rocks Home Page: Good resource on Igneous Rocks. (James Madison University)
  • About Lava: Some photos of different types of volcanoes.
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    Fracture and Flow of Rocks

  • Dislocation creep: A gif animated image showing dislocation creep.
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    Brittle vs. Ductile Deformation

  • Deformation of Rock: Lecture notes on rock deformation. (Prof. Stephen A. Nelson, Tulane University)
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    Grav. Anomalies and mass distribution, isostasy

  • The Earth's Crust : A world map showing the thickness of the Earth's crust.
  • Isostasy: A site on isostasy of ice sheets (Montana State University)
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    Metamorphism

  • Metamorphic Rocks Home Page: Good resource on metamorphic rocks. (James Madison University)
  • Metamorphic Rocks: A web site on Metamorphic rocks with lots of photos. (California State – Long Beach)
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    Earthquakes and Seismic Waves

  • Earthquakes around New England, 1638-1998: A map that you can download showing Earthquakes around the New England area from 1638-1998.
  • Live Internet Seismic Server: See live data from the Global Seismograph Network.
  • Virtual Courseware: Earthquake: This is a good activity in which you find the epicenter and magnitude of an earthquake.
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    Seismic waves as probes into Earth's interior

  • Shear wave propagation animation: Shear wave propagation animation. (Washington University)
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    Earthquake Hazard and prediction

  • Geologic Hazards: USGS geologic hazards web site.
  • Global seismic hazard assessment program
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    Earth's magnetic field and paleomagnetism

  • Geomagnetism at NGDC: Information on geomagnetism from the National Geophysical Data Center. See FAQ.
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    Plate motions

  • Make platetectonic reconstruction: Custom made plate reconstructions, you choose the time and the colors.
  • Paleomap Project: Web site on plate tectonic development during the past 1100 million years. See the animations.
  • Structural Geology on the Web: Go to "Plate Tectonics" for some good links.
  • The Paleogeographic Atlas Project: See maps showing past climates and environments. (University of Chicago)
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    Tectonics at plate boundaries

  • Ocean Ridge Graphic: Graphic showing a schematic diagram of a mid-ocean ridge. (Prof. Rick Cheel, Brock University)
  • Plate boundaries: A web site on plate boundaries from the Southern California Integrated GPS Network, has a few good flash animations.
  • Plate Boundaries Map
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    Mantle convection

  • 3D Movies: Two 3D movies of mantle convection. (MIT)
  • A Plate Tectonic Rock Cycle: A site on the tectonic rock cycle. (James Madison University)
  • Mantle Convection Movies: Several mantle convection movies. (Caltech)
  • Models of Mantle Convection: Several computer models for mantle convection. (MIT)
  • Wilson Cycle: A web site on the Wilson Cycle. (James Madison University)
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    Mountain Building Processes

  • Mountain Building Activity: This site gives some questions and resources to guide your thinking about mountain bulding processes.
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    Groundwater Geology

  • Earth's Water - Ground water: USGS web site on ground water geology.
  • Yucca Mt- Potentiometric Surface
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    Weathering, soils and deserts

    Several graphics showing desert processes. (Prof. Rick Cheel, Brock University)

  • Coastal Desert
  • Desert Pavement
  • Dune Migration - Cross Bedding
  • Rain Shadow
  • Saltating Sand
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  • Weathering vs. Erosion: A short description explaining the difference between weathering and erosion.
  • Deserts: Geology and Resources: USGS web site on deserts.
  • Soil Science Ed Website USDA: A site on soil science from the USDA.
  • Weathering and Soils: Lecture notes on weathering. (University of Akron)
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    Water resources

  • How much water is there on Earth?: A USGS educational site.
  • USGS -- Water Resources of the United States: USGS site on water resources.

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    Impacts and extinction

  • Dino Directory: A directory of which dinosaurs lived when.
  • Near Earth Object Program : NASA web site on Near-Earth objects.
  • Asteroid impact 3.5 Billion Years Ago: A New York Times article on a possible asteroid impact 3.5 Billion Years Ago. See Aug. 23 edition of Science for journal article.
  • K-T Impact: Dust Didn’t Do It: An article about questions recently raised on the role of dust as the mechanism for extinction in the K-T impact.
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    Global heat budget, atmosphere and ocean circulation

  • Atmospheric Circulation: Lecture notes on atmospheric circulation. (University of Florida)
  • Hadley Cells: Schematic graphic of Hadley Cells. (Prof. Rick Cheel, Brock University)
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    Ocean circ. and ocean-cont interactions

    Several graphics showing coastal processes (Prof. Rick Cheel, Brock University)

  • Beach Sediment Motion
  • Wave Refraction
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  • A Primer on Ocean Currents: An overview of ocean currents from Woods Hole.
  • Coastal Ocean Modeling at Woods Hole: Ocean Circulation movies from Woods Hole.
  • Northern Hemisphere Animation: Center for Ocean-Land-Atmosphere Studies.
  • Global Climate Animations: University of Oregon Department of Geography.
  • Ocean Surface Temp Animations: Pittsburgh Supercomputing Center.
  • Ocean Circulation Animations: Deutsche Klimarechenzentrum (DKRZ).
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    Flow of valley glaciers

    Graphics showing glacial processes. (Prof. Rick Cheel, Brock University)

  • Formation of terminal moraine
  • Glacier Budget Graphic
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  • All About Glaciers: Historical photos, satellite images, news, and other information about glaciers.
  • Glacial Geology Images: A large database of images of glaciers and glacial processes. (University of Cincinnati)
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    Continental ice sheets and ice ages

  • Antarctic Ice Shelves and Icebergs: Images and news about what is happening around the edges of the Antarctic ice sheet.
  • Glacier: This site is called "Glacier", but it focuses on Antarctica and has information on glaciers and ice sheets. (Rice University)
  • Ice sheet graphic: A schematic drawing of the Antarctic ice sheet. (Brock University)
  • Scientific Visualization Studio (SVS) : Images of Antarctica from NASA's scientific visualization studio.
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    Causes of climate change

    Government web sites related to climate change.

  • NASA's Global Change Master Directory
  • NOAA Paleoclimatology Program
  • Trends Online Contents: A collection of data, graphics, and descriptions of various trends relating to global change.
  • US Global Change Research Program
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  • Global Climate Animations: Animations showing the seasonal cycle of several different climate variables. (University of Oregon)
  • Paleoclimate: A large collection of links on Paleoclimatology and climate change. (Miami U of Ohio)
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